Portable ground power unit



FIG. 1 is a top perspective view of a portable ground power unit;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a back elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a is a left side elevation view thereof; and,

FIG. 6 is a top plan view thereof.

The broken lines in the drawings are included for the purpose ofillustrating portions of the article that form no part of the claimeddesign.

CLAIM The ornamental design for a portable ground power unit, as shownand described.